Network check
ASN
AS5578
- OwnerSWAN, a.s.
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses314,112
- IPv4 ranges116
- IPv6 ranges20
Risk score0
Nothing suspicious found.
Network · AS5578
AS5578 (SWAN, a.s.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS5578
Nothing suspicious found.
83.168.128.0/1862.197.192.0/1862.168.64.0/18195.168.128.0/18195.168.0.0/1885.248.192.0/1985.248.160.0/1984.245.96.0/1962.65.160.0/1962.152.224.0/19217.75.64.0/19212.26.160.0/19Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.
Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.
curl https://veqen-app.com/v1/ip/check \
-H "Authorization: Bearer $VEQEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{"ip": "203.0.113.7"}'import os, requests
r = requests.post(
"https://veqen-app.com/v1/ip/check",
headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
json={"ip": "203.0.113.7"},
timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])const res = await fetch("https://veqen-app.com/v1/ip/check", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);AS5578 (SWAN, a.s.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS5578 is registered to SWAN, a.s.. It announces about 314,112 IPv4 addresses.
Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.